1. School of GeoSciences, University of Edinburgh, Grant Institute, United Kingdom
2. Department of Meteorology, University of Reading/National Centre for Atmospheric Science Climate, Reading, United Kingdom
3. Met Office Hadley Centre, Exeter, and Department of Physics, Oxford University, Oxford, United Kingdom
4. National Center for Atmospheric Research,* Boulder, Colorado
5. Met Office Hadley Centre, Exeter, United Kingdom
6. Earth System Science Interdisciplinary Center, University of Maryland, College Park, College Park, Maryland
7. Deutscher Wetterdienst, Offenbach, Germany
8. Department of Atmospheric and Environmental Sciences, University at Albany, State University of New York, Albany, New York, and National Center for Atmospheric Research,* Boulder, Colorado
9. Program for Climate Model Diagnosis and Intercomparison, Lawrence Livermore National Laboratory, Livermore, California, and Commonwealth Scientific and Industrial Research Organisation, Hobart, Tasmania, Australia
10. NOAA/National Climatic Data Center, Asheville, North Carolina
11. School of Civil Engineering and Geosciences, Newcastle University, Newcastle upon Tyne, United Kingdom
12. NASA Goddard Space Flight Center, Greenbelt, Maryland
13. Ocean and Earth Science, University of Southampton, Southampton, United Kingdom
14. University of Cape Town, Rondebosch, Cape Town, South Africa
15. Climatic Research Unit, School of Environmental Sciences, University of East Anglia, Norfolk, United Kingdom
16. Commonwealth Scientific and Industrial Research Organisation, Hobart, Tasmania, Australia
17. Climate Research Division, Environment Canada, Toronto, Ontario, Canada